A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 31
... ganglion there cannot be any doubt , and I have succeeded in distinctly tracing nervous filaments in connection with it . In Cristatella , Lophopus , and other genera with crescentic lophophores , the ganglion may be seen giving off ...
... ganglion there cannot be any doubt , and I have succeeded in distinctly tracing nervous filaments in connection with it . In Cristatella , Lophopus , and other genera with crescentic lophophores , the ganglion may be seen giving off ...
Página 44
... Ganglion . v . Heart . n . 1. Intestine . r . Anus . s . Cloaca . * See Milne - Edwards's beautiful memoir , " Sur les Ascidies Composées . " m . Languettes t . Tentacula at + Van Beneden sur les Ascidies simples . Mém . de l'Acad . Roy ...
... Ganglion . v . Heart . n . 1. Intestine . r . Anus . s . Cloaca . * See Milne - Edwards's beautiful memoir , " Sur les Ascidies Composées . " m . Languettes t . Tentacula at + Van Beneden sur les Ascidies simples . Mém . de l'Acad . Roy ...
Página 45
... . s . Cavity of tantacular sheath . u . Ganglion . w . Retractor muscle . * In figs . 6-11 , the same letters are used throughout to indicate homologous parts . the calyx - like membrane adherent to the outer side HOMOLOGIES . 45.
... . s . Cavity of tantacular sheath . u . Ganglion . w . Retractor muscle . * In figs . 6-11 , the same letters are used throughout to indicate homologous parts . the calyx - like membrane adherent to the outer side HOMOLOGIES . 45.
Página 46
... ganglion . This ganglion is certainly homologous in the Tunicata and Polyzoa , and it is manifestly it , and not the mouth , that determines the place of the persistent languet . We now need only a few unimportant modifications in order ...
... ganglion . This ganglion is certainly homologous in the Tunicata and Polyzoa , and it is manifestly it , and not the mouth , that determines the place of the persistent languet . We now need only a few unimportant modifications in order ...
Página 47
... Ganglion . v . Heart . in the determination of the present question . In this remarkable little Tunicate , the gill con- sists essentially of a tubular band , extending transversely across the thoracic chamber , and communicating with a ...
... Ganglion . v . Heart . in the determination of the present question . In this remarkable little Tunicate , the gill con- sists essentially of a tubular band , extending transversely across the thoracic chamber , and communicating with a ...
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnæus lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes